Abstract

A boundary element solution procedure is given for dynamic soil-structure interaction problem including viscous damping. The boundary integral equation of elastodynamics and the relationship of viscoelastic-elastic analogy (the correspondence principle) are established through the use of the Laplace transform. Thus the problem of viscous damping can be solved numerically in the same manner as the elastodynamic case without damping. Examples of soil structure interaction including viscous damping under harmonic external force is computed and compared with no damping. Also, dynamic interaction between adjacent foundation are studied for different distancies and frequencies.

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